Year	% of relevant age group
1975	37.1076011657715
1976	37.2134399414062
1979	38.8929100036621
1982	38.8683280944824
1986	35.8528289794922
2001	59.1702690124512
2002	61.0600395202637
2003	60.5946617126465
2004	57.262321472168
2005	55.7745590209961
2007	51.4977493286133
2008	55.8990287780762
2009	72.9996871948242
2010	55.568920135498
2011	53.9674987792969
2012	55.1258506774902
2013	55.4407196044922
2014	58.9814910888672
2015	53.3199996948242
2016	54.7785606384277
2017	52.9703216552734